ExtraHop named a Leader in the 2025 Forrester Wave™: Network Analysis And Visibility Solutions

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DETECTION OVERVIEW

External Dharma Ransomware File Transfer

Risk Factors

Dharma is a popular ransomware family. Deploying Dharma requires skill that depends on the source and destination. The impact of ransomware on a business can be devastating, especially if sensitive or business-critical data is lost through encryption, or costly if a high ransom is paid.

The system might change the risk score for this detection.

Category

Command-and-Control
Detection diagram
Next in Command-and-Control: External EICAR Test File Transfer

Attack Background

Dharma encrypts files and demands payment for the decryption key, similar to other ransomware families. Attackers often transfer malware from an external system into a compromised environment through a command-and-control channel or common protocol.

Mitigation Options

Monitor and investigate unusual activity to minimize potential damage

Configure host-based security tools to quarantine the host or otherwise prevent the file from executing

Filter ingress traffic at the network perimeter

MITRE ATT&CK ID

Associated content

Announcing The Forrester Wave™: Network Analysis And Visibility Solutions, Q4 2025

Network analysis and visibility solutions remain underrepresented in enterprises. Find out why in this preview of a new Wave report.

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ExtraHop® Named a Leader in First-Ever Gartner® Magic Quadrant™ for Network Detection and Response — ExtraHop

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News

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The 2025 ExtraHop Global Threat Landscape Report: The Alarming Reality of Threat Actor Dwell Time and Deeper Network Access — ExtraHop

This analysis exposes the critical link between an organization's lack of internal visibility and the escalating cost of compromise, demanding an urgent re-evaluation of how core business assets are protected.

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ExtraHop RevealX MITRE ATT&CK Coverage 2024 — ExtraHop

Learn why you need to be wary of the claims certain network detection and response providers make about their coverage against the MITRE ATT&CK framework.

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MITRE ATT&CK - Network Detection & Response with RevealX — ExtraHop

Learn how NDR from RevealX helps security teams detect and investigate more adversary TTPs in the MITRE ATT&CK framework than rule-based tools.

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